Aelius Gallus

…25 bc an expedition under Aelius Gallus opened the Red Sea to Roman use and simultaneously revealed the Arabian Desert as an unsurpassed and, indeed, unsurpassable boundary. The same year Gaius Petronius, the prefect of Egypt, tightened Rome’s grip as far as the First Cataract and established a broad military…

…a Roman governor of Egypt, Aelius Gallus, also explored the Nile as far as the first cataract. A Roman expedition to find the source of the Nile that took place in 66 ce, during the reign of the emperor Nero, was impeded by the Al-Sudd, and the attempt was therefore…